AVR-Chat

Not clear - 
are you looking for a dc-dc power converter, or a level converter to
interface (say) a 5v chip to a 3.3v?  If the former, what power level
and efficiency are you willing to pay for?  There are some really
nifty led drivers in the $2 and under range.
If the latter, most of the analog interface companies have a couple of
lines.  I like Maxim's parametric search, but TI, Linear, and probably
Analog Devices make them.  I think I search on "voltage level
conversion ic" or "ttl conversion ic".

HTH


--- In AVR-Chat@yahoogroups.com, haben jemal <haben1982@...> wrote:
>
> hi
>   does anybody knows an IC (non programmble) that changes voltage
level from 0&5v  to -12 & 12v respectively just toss  the ic number
>   thanks alot
>    
>    
> 
>  
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